How will you select unique values from a list of records?
Answer Posted / rakesh
select distinct * from emp;
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
what is row? : Sql dba
What has stored procedures in sql and how we can use it?
Why select is used in sql?
Explain the rollback statement?
Is it possible to sort a column using a column alias?
What is view explain with example?
What is sql table?
what are the advantages of mysql in comparison to oracle? : Sql dba
First round ------------------- - Procedure - Packages - Views - Virtual tables - Can we use dcl with in function? - Joins and few scenarios - Triggers and its type - Pragma, type and its functionality - How to create db link in oracle - Materialized view - How to find duplicate values from table? - Cursor and its functionality - Write a script to display friday and its date from a entire year. - Exception Handling Second round ------------------------ Gave a scenario like. Need to write a function to perform. When user try to change a password. It must not be last five password and a given password can be combination of characters, symbols, upper and lower case.
How is sql used in oracle?
What is a stored procedure in sql with example?
What are functions in sql?
What is rownum and rowid?
how to select unique records from a table? : Sql dba
What is the use of procedures?